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From Reka Thirunavukkarasu <r...@wso2.com>
Subject Re: NPE while executing Drool methods - Integration tests are failing
Date Wed, 07 Oct 2015 13:04:46 GMT
Hi Imesh,

On Wed, Oct 7, 2015 at 7:27 AM, Reka Thirunavukkarasu <reka@wso2.com> wrote:

> Hi Imesh,
>
> On Wed, Oct 7, 2015 at 5:46 AM, Imesh Gunaratne <imesh@apache.org> wrote:
>
>> GroupMonitor:
>>
>>       ApplicationMonitor applicationMonitor =
>> AutoscalerContext.getInstance().
>>                             getAppMonitor(appId);
>>
>> [161] //When the application is getting un-deployed, need to avoid
>> [162] // checking the minimum count sanctification
>> [163] if (!applicationMonitor.isTerminating()) {
>>
>> In GroupMonitor class the line number 163 is shown above, may be due to
>> some reason application monitor is not found when executing the group
>> monitor.
>>
>> @Reka: Do you have any thoughts on this?
>>
>
> Yah..It could happen when force undeployment is invoked. I will check on
> this..
>

I have fixed the possible places which could cause NPE by scanning through
the code. I will do a quick round of testing and push the changes to
Stratos-4.1.x branch.

Thanks,
Reka

>
> Thanks,
> Reka
>
>>
>> Thanks
>>
>> On Wed, Oct 7, 2015 at 1:20 AM, Thanuja Uruththirakodeeswaran <
>> thanujau@wso2.com> wrote:
>>
>>> Hi Akila,
>>>
>>>
>>> On Wed, Oct 7, 2015 at 1:09 AM, Akila Ravihansa Perera <
>>> ravihansa@wso2.com> wrote:
>>>
>>>> Hi Thanuja,
>>>>
>>>> Thanks for the update.
>>>>
>>>> In both of those cases, did you observe any build failures? If so, what
>>>> are the tests that failed?
>>>>
>>>
>>> For the complete stratos build, following test cases are failing with
>>> NPE in ClusterMonitor as shown above:
>>> Failed tests:
>>>   ApplicationBurstingTestCase.testApplicationBusting:138
>>>   GroupStartupOrderTestCase.testTerminationBehavior:194 Application
>>> status did not change to Active: [application-id] group-startup-order-test
>>> expected:<Active> but was:<Inactive>
>>>   SampleApplicationStartupTestCase.testApplication:103
>>>   SampleApplicationsTestCase.testApplication:57 » Runtime
>>>   SampleApplicationsTestCase.testApplicationList:252 » Runtime
>>>
>>> SingleClusterScalingTestCase.testDeployApplication:117->assertClusterWithScaleDown:260
>>> » ThreadTimeout
>>>
>>> When running integration test only, there is no test failure and I'm
>>> getting NPE in GroupMonitor class.
>>>
>>>>
>>>> I noticed the same behavior as you have explained. When I check the log
>>>> file
>>>> in /test-integration/target/<carbon-home>/repository/logs/wso2carbon.log,
I
>>>> didn't see any NPE's related to Drool files. Only one NPE is thrown from
>>>> GroupMonitor class. Can you check whether it is the same for you?
>>>>
>>>
>>> Yes, if I ran integration test directly, NPE was thrown in GroupMonitor
>>> class and no drools error were there.
>>>
>>>>
>>>> Thanks.
>>>>
>>>> On Wed, Oct 7, 2015 at 1:05 AM, Akila Ravihansa Perera <
>>>> ravihansa@wso2.com> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> It seems integration tests are failing intermittently regardless of
>>>>> NPE's thrown from Drool files. I've added more debug logs to troubleshoot
>>>>> the issue. I've set the default log level in AS and CC packages to DEBUG
in
>>>>> integration tests. This will help us to identify the root causes of
>>>>> integration test failures in Jenkins build.
>>>>>
>>>>> Thanks.
>>>>>
>>>>>
>>>>> On Tue, Oct 6, 2015 at 12:38 PM, Thanuja Uruththirakodeeswaran <
>>>>> thanujau@wso2.com> wrote:
>>>>>
>>>>>> Hi Akila,
>>>>>>
>>>>>> I'll check this and let you know.
>>>>>>
>>>>>> Thanks.
>>>>>>
>>>>>> On Tue, Oct 6, 2015 at 12:31 PM, Akila Ravihansa Perera <
>>>>>> ravihansa@wso2.com> wrote:
>>>>>>
>>>>>>> Hi Thanuja,
>>>>>>>
>>>>>>> I noticed that integration tests are failing in stratos-4.1.x
branch
>>>>>>> due to an issue in Drools files. It seems there have been couple
of
>>>>>>> modifications done for Drools files with new metering dashboard
feature.
>>>>>>> Perhaps it is incompatible with autoscaler APIs. Could you look
into that
>>>>>>> please?
>>>>>>>
>>>>>>> Thanks.
>>>>>>>
>>>>>>> --
>>>>>>> Akila Ravihansa Perera
>>>>>>> WSO2 Inc.;  http://wso2.com/
>>>>>>>
>>>>>>> Blog: http://ravihansa3000.blogspot.com
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Thanuja Uruththirakodeeswaran
>>>>>> Software Engineer
>>>>>> WSO2 Inc.;http://wso2.com
>>>>>> lean.enterprise.middleware
>>>>>>
>>>>>> mobile: +94 774363167
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Akila Ravihansa Perera
>>>>> WSO2 Inc.;  http://wso2.com/
>>>>>
>>>>> Blog: http://ravihansa3000.blogspot.com
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Akila Ravihansa Perera
>>>> WSO2 Inc.;  http://wso2.com/
>>>>
>>>> Blog: http://ravihansa3000.blogspot.com
>>>>
>>>
>>>
>>>
>>> --
>>> Thanuja Uruththirakodeeswaran
>>> Software Engineer
>>> WSO2 Inc.;http://wso2.com
>>> lean.enterprise.middleware
>>>
>>> mobile: +94 774363167
>>>
>>
>>
>>
>> --
>> Imesh Gunaratne
>>
>> Senior Technical Lead, WSO2
>> Committer & PMC Member, Apache Stratos
>>
>
>
>
> --
> Reka Thirunavukkarasu
> Senior Software Engineer,
> WSO2, Inc.:http://wso2.com,
> Mobile: +94776442007
>
>
>


-- 
Reka Thirunavukkarasu
Senior Software Engineer,
WSO2, Inc.:http://wso2.com,
Mobile: +94776442007

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